diff --git a/aiojobs/_job.py b/aiojobs/_job.py
index 411755d..63a9c8e 100644
--- a/aiojobs/_job.py
+++ b/aiojobs/_job.py
@@ -44,7 +44,7 @@ def closed(self):
         return self._closed
 
     async def _do_wait(self, timeout):
-        with async_timeout.timeout(timeout=timeout, loop=self._loop):
+        async with async_timeout.timeout(timeout):
             # TODO: add a test for waiting for a pending coro
             await self._started
             return await self._task
@@ -84,8 +84,7 @@ async def _close(self, timeout):
         # self._scheduler is None after _done_callback()
         scheduler = self._scheduler
         try:
-            with async_timeout.timeout(timeout=timeout,
-                                       loop=self._loop):
+            async with async_timeout.timeout(timeout):
                 await self._task
         except asyncio.CancelledError:
             pass
diff --git a/pyproject.toml b/pyproject.toml
index ce20dbc..93e5857 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,9 @@ module = "aiojobs"
 author = "Andrew Svetlov"
 author-email = "andrew.svetlov@gmail.com"
 home-page = "https://github.com/aio-libs/aiojobs"
-requires=[]
+requires=[
+    "async-timeout >= 4"
+]
 requires-python=">=3.5"
 description-file="README.rst"
 classifiers = [